Anatomy of breast ppt

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Estrogen , or oestrogen , is a category of sex hormone responsible for the development and regulation of the female reproductive system and secondary sex characteristics. There are three major endogenous estrogens that have estrogenic hormonal activity: estrone E1 , estradiol E2 , and estriol E3. Estradiol, an estrane , is the most potent and prevalent. Another estrogen called estetrol E4 is produced only during pregnancy. Estrogens are synthesized in all vertebrates [1] and some insects. Quantitatively, estrogens circulate at lower levels than androgens in both men and women.
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Breast anatomy ppt

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The Radiology Assistant : Breast

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Breast Index

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In this lesson, we will look at some of the ways in which heredity helps to shape the way we are. We will look at what happens genetically during conception and take a brief look some genetic abnormalities. Before going into these topics, however, it is important to emphasize the interplay between heredity and the environment. Why are you the way you are?
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